Dates
CELCIS offers courses 45 weeks of the calendar year in two semesters (Fall, Spring) and two sessions (Summer I, Summer II). In-person instruction is available for all skill areas and proficiency levels.
Important Dates
| CELCIS Academic Calendar | Spring 2025 | Summer I 2025 | Summer II 2025 | Fall 2025 | Spring 2026 | 
| International Student Orientation | Jan 3 | May 2 | Jun 25 | Aug 21 | TBD | 
| CELCIS first day of classes | Jan 6 | May 5 | Jun 26 | Aug 27 | Jan 12 | 
| Last day for 100 percent refund (full withdraw) | Jan 13 | May 12 | Jul 3 | Aug 3 | Jan 19 | 
| Last day for 90 percent refund (full withdraw) | Jan 17 | N/A | N/A | TBD | TBD | 
| Last day for 50 percent refund (partial withdraw) | Jan 21 | N/A | N/A | TBD | TBD | 
| Last day for 50 percent refund (full withdraw) | Feb 3 | May 19 | Jul 9 | TBD | TBD | 
| Last day for 25 percent refund (full withdraw) | Mar 3 | Jun 2 | Jul 21 | TBD | TBD | 
| CELCIS last day of classes | Apr 18 | Jun 24 | Aug 8 | Dec 5 | April 24 | 
| WMU last day of classes | Apr 24 | Jun 25 | Aug 15 | Dec 13 | May 1 | 
| Holidays and breaks (no class) | Jan 20 Dr. MLK Jr. Day | May 26 Memorial Day | June 25 (CELCIS only) | Sept 1 | Jan 19 Dr. MLK Jr. Day | 
| Feb 28 | July 4 | Oct 15-17 | March 6 | ||
| Mar 3-7 | Nov 26-28 | March 9-13 | 
SEMESTER/SESSION STRUCTURE
The CELCIS offers in-person in two semesters (Fall, Spring) and two sessions (Summer I, Summer II) each year.
| Semester/Session | Dates | Important Notes | 
|---|---|---|
| Fall Semester | August—December (15 weeks) | 
 | 
| Spring Semester | January—April (15 weeks) | |
| Summer I Session | May—June (7.5 weeks) | 
 | 
| Summer II Session | July—August (7.5 weeks) 
 |